Check out Tombstone - PBR Game Ready stone monument Low-poly 3D model on CGTrader for $9. High-quality mesh by GordonCG: 309 polys, 286 vertices. PBR, Textured, UV Mapped.
MAX (Autodesk 3ds Max, filesize: 9.54 MB), OBJ (OBJ, filesize: 9.43 MB), FBX (Autodesk FBX, filesize: 9.44 MB), 3DS (3D Studio, filesize: 9.42 MB)